Sarnafil Roofing Contractors

Sarnafil represents a significant step up from conventional flat roofing materials. Unlike basic felt or cheaper membranes, Sarnafil products are specifically designed for demanding roofing purposes rather than being adapted from multi-purpose materials. The membrane itself is engineered with dimensional stability and reinforcement, meaning it won't shrink, crack or deform when exposed to structural movement or temperature fluctuations.

The installation process sets Sarnafil apart too. We use hot-air welding to create seams that are often stronger than the membrane itself, giving you permanent watertight protection without open flames or adhesives. This welding technique produces bonds that last for the full life expectancy of the roof, which for PVC options carries a British Board of Agrément life expectancy of over 40 years.

Sarnafil membranes are manufactured to ISO 9001 standards and are CE marked to BS EN 13956:2005. The material's flexibility allows us to detail around complex roof penetrations like skylights, upstands, plant equipment and parapet walls with precision. This flexibility also means Sarnafil systems are suitable for flat, pitched or green roofs, working equally well on new builds and refurbishments.

Sarnafil roofing contractors work on a wide range of projects. On the commercial side, we regularly install these systems on schools, hospitals, office buildings, retail units and industrial warehouses. These buildings benefit from Sarnafil's proven durability and minimal maintenance requirements. A roof that genuinely lasts 40 years or more with proper installation reduces whole-life building costs significantly.

For domestic properties, we install Sarnafil systems on flat-roofed extensions, garage conversions, dormer windows and contemporary new builds. Homeowners choose Sarnafil when they want a roof that won't need replacing in 10 or 15 years like cheaper alternatives. The investment pays back through longevity and peace of mind.

Refurbishment projects are particularly well-suited to Sarnafil systems. The membranes can be installed over a range of substrates, including metal, concrete, timber and existing roofing. This reduces waste during refurbishment projects and often allows us to add improved insulation at the same time. Many refurbishment projects achieve excellent energy-efficiency performance due to the membrane's reflective properties and compatibility with high-grade insulation.

Green roof installations are another growing application. Because Sarnafil membranes are root resistant, they can support planted roofs without additional protection layers. The same dimensional stability that prevents shrinkage also provides a stable base for green roof systems, solar panel installations and roof terraces.

Installing a Sarnafil system properly requires methodical preparation and attention to detail. We start by assessing the substrate and ensuring it's suitable to receive the membrane. This might involve repairs to existing decking, ensuring proper falls for drainage, or installing a vapour control layer depending on the project specification.

The insulation layer comes next. We use insulation products that are compatible with Sarnafil systems and appropriate for the building's thermal requirements. Proper insulation installation is critical because thermal bridging or gaps can undermine the entire system's performance. The insulation must be mechanically fixed or fully adhered depending on wind loading calculations and the project specification.

Once the insulation is in place, we install the Sarnafil membrane. This is where our specialist experience becomes essential. We carefully position the membrane sheets, ensuring adequate overlap for welding. The hot-air welding equipment is set to the correct temperature for the membrane type and thickness, and we weld the seams with consistent speed and pressure.

Detail work around penetrations, upstands and edges requires particular care. We use Sarnafil's specific detailing components and follow the manufacturer's guidelines for forming watertight connections. These details are often where problems occur with poorly installed roofs, so we take extra time to get them right.

After the main membrane is welded, we install the edge trims, drainage components and any gutters or outlets. The final step is a thorough roof inspection by drone along with a detailed check of all seams and details. We test seams to ensure they're properly welded, and we check that all penetrations and upstands are correctly sealed.

Throughout the process, we maintain the worksite to professional standards. Flat roofing installations can be disrupted by debris or damage to the membrane before it's fully installed, so we protect the work and ensure the site is safe for both our team and building occupants.

As independent Sarnafil roofing contractors, we offer advantages that direct manufacturer-employed teams can't match. We're not tied to selling only their products for every situation. This means we can give you genuinely impartial advice about whether Sarnafil is the right solution for your specific project.

Our independence also means we're more flexible about project size and timing. We work on everything from small domestic extensions to large commercial installations, and we can schedule work to suit your needs rather than being constrained by a manufacturer's priorities. This flexibility extends to how we price jobs and structure payment terms.

The competitive nature of being an independent contractor also works in your favour. We know we need to deliver excellent service and quality to maintain our reputation and win future work. We're invested in your project's success because our business depends on satisfied customers.

When you work with Checkaroof for your Sarnafil installation, you're getting a team that's had years of experience, but you're also getting a roofing company that's accountable to you rather than to a corporate structure. We take pride in delivering installations that exceed expectations and stand the test of time.

If you're considering a Sarnafil system for your domestic or commercial property, we'd be pleased to discuss your project. As experienced Sarnafil roofing contractors, we can assess your site, explain your options and provide a detailed quote that covers all materials and workmanship.

Contact Checkaroof today for a free, no-obligation quote. We'll arrange a site visit to understand your requirements, answer your questions about Sarnafil systems and guarantees, and provide clear pricing with no hidden costs. Our team brings the technical expertise and professional installation quality that these advanced roofing systems demand.

Whether you're planning a new roof installation or refurbishing an existing flat roof, our qualified installers are ready to deliver a solution that will protect your property for decades to come.